SchemaSpy Analysis of eStudyESS - Anomalies

Generated by SchemaSpy

Things that might not be 'quite right' about your schema:

• Columns whose name and type imply a relationship to another table's primary key:

  Child Column	Implied Parent Column
  forum_ban.userID	forum_user.userID
  forum_groupboard.boardid	forum_board.boardid
  forum_groupboard.groupid	forum_group.groupid
  forum_lastvisited.boardid	forum_board.boardid
  forum_lastvisited.userID	forum_user.userID
  forum_post.threadid	forum_thread.threadid
  forum_post.userID	forum_user.userID
  forum_registry.keygroupid	forum_registrygroup.keygroupid
  forum_thread.boardid	forum_board.boardid

  9 instances of anomaly detected

• Tables without indexes:
  Anomaly not detected

• Columns that are flagged as both 'nullable' and 'must be unique':
  Anomaly not detected

• Tables that contain a single column:
  Anomaly not detected

• Tables with incrementing column names, potentially indicating denormalization:
  Anomaly not detected

• Columns whose default value is the word 'NULL' or 'null', but the SQL NULL value may have been intended:
  Anomaly not detected